Process for the preparation of unsaturated ketones

A process for the preparation of , , -unsaturated ketones and/or , , , -unsaturated ketones by the reaction of an unsaturated alcohol with an enol ether or mixture of enol ethers, with formation of ketals as a by-product, at temperatures of from 50° C. to 200° C., in the presence of an acid catalyst...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Shi, Nongyuan, Drapal, Bernd, Krill, Steffen, Julino, Markus, Huthmacher, Klaus
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:A process for the preparation of , , -unsaturated ketones and/or , , , -unsaturated ketones by the reaction of an unsaturated alcohol with an enol ether or mixture of enol ethers, with formation of ketals as a by-product, at temperatures of from 50° C. to 200° C., in the presence of an acid catalyst, whereby one or all of the reagents is/are heated to the reaction temperature of from 50° C. to 200° C. before the acid catalyst is added.